Glass on Glass Bowls 14mm, 14.5mm, 18mm, 18.8mm.

The Size of this glass bowl is 18mm. In the artwork of this piece it has different layer of color. It has smooth male side edges.and can work with any 18mm glass bongs. But the water pipe has to be female because it is a male bowl.

Introducing the new 14mm glass bowl with pre-made glass screen. Using the really the thin poker can easily clean the Piece.Approximate thickness is 7mm and has a little knob to hold it when it's hot. GogoPipes sells the cheap smoking bowls. Fast shipping secure online store.

This bowl is a great choice for those who have a rig, but want to use herbs instead of oil. This piece is a 14mm FEMALE that fits a 14mm MALE. The bowl comes in multiple different color options and also has a neat stem to hold it with when the bowl is hot. *colors may vary*